Merck Animal Health Expands Beef Technical Services Team

Four new technical services managers have joined the Merck Animal Health beef cattle team, including two nutritionists and two veterinarians.The expanded beef technical services team will provide greater expertise and resources for producers, veterinarians and industry influencers.

Joining the Merck Animal Health team are nutritionists, Mark Corrigan, Ph.D., and Ben Holland, Ph.D., and veterinarians Brent Meyer, D.V.M., M.S., and Justin Welsh, D.V.M.

“We are proud and excited to welcome these experts to the beef technical services team,” says Ron Bryant, head of the U.S. cattle business for Merck Animal Health. “Each of them brings different industry perspectives, experiences and networks that will allow us to have broader and deeper relationships with our customers.”

Dr. Mark Corrigan
Dr. Corrigan will be an integral part of the team’s research efforts within the feedyard industry. He will work with beef producers in the High Plains region and researchers across the country providing product guidance for best practices in the area of feedlot growth and development. Dr. Corrigan holds a Bachelor of Science and Masters of Science from Kansas State University and received his doctorate from the University of Nebraska in beef cattle nutrition. He gained his extensive research experience as the beef technical services manager at Lallemand Animal Nutrition. Dr. Corrigan previously managed diverse research projects, as well as marketing and communications efforts, for animal health and nutrition products in the United States and globally. He also has authored or co-authored more than 40 scientific articles, abstracts, symposium proceedings and presentations on a variety of beef cattle nutrition, health and performance topics.

Dr. Ben Holland
Dr. Holland will serve Merck Animal Health customers in the northern Midwest and High Plains regions and provide product guidance across all sectors of the beef industry. He also will be an integral part of the team’s research efforts within the cattle industry. He earned his bachelor’s degree in animal science from Texas Tech University and completed his master’s degree and doctorate in beef cattle nutrition at Oklahoma State University. Prior to joining Merck Animal Health, Dr. Holland was an assistant professor and extension beef feedyard specialist for South Dakota State University and a research coordinator for Willard Sparks Beef Research Center at Oklahoma State University. He has written and presented more than 70 articles and presentations on a variety of beef cattle health and performance topics.

Dr. Brent Meyer
Dr. Meyer will specialize in feedlot and cow/calf production medicine in the upper Midwest. Dr. Meyer has more than 12 years of experience as a practicing veterinarian in Iowa, Minnesota and North Dakota. He also served as a feedyard consultant in eastern Nebraska and an adjunct instructor for the Iowa State University College of Veterinary Medicine. Dr. Meyer earned his undergraduate degree in animal science, Doctor of Veterinary Medicine and master’s degree in beef-production medicine from Iowa State University.

Dr. Justin Welsh
Dr. Welsh will work with cattle producers and veterinarians in the upper Midwest. His position will focus on veterinarian and producer education, as well as organizing and implementing research related to product life cycles and their uses in the field. He brings more than 17 years of experience to the team as a practicing companion and food animal veterinarian in western Nebraska. Dr. Welsh’s veterinary practice predominately focused on the feedyard and cow/calf businesses. He also consulted for feedyards and sale barns in the region. He earned his undergraduate degree in animal science from the University of Nebraska and completed his Doctorate of Veterinary Science from Kansas State University College of Veterinary Medicine.

About Merck Animal Health
Today's Merck is a global healthcare leader working to help the world be well. Merck Animal Health, known as MSD Animal Health outside the United States and Canada, is the global animal health business unit of Merck. Merck Animal Health offers veterinarians, farmers, pet owners and governments one of the widest ranges of veterinary pharmaceuticals, vaccines and health management solutions and services. Merck Animal Health is dedicated to preserving and improving the health, well-being and performance of animals. It invests extensively in dynamic and comprehensive R&D resources and a modern, global supply chain. Merck Animal Health is present in more than 50 countries, while its products are available in some 150 markets. For more information, visit